Deck 28: Diagnostic Tests

Question 1

A client suspected of having an acute myocardial infarction (MI)has cardiac enzymes drawn about 5 hours after symptoms presented.Which of these values would confirm the client had an MI?

A)elevated CPK
B)elevated CK-BB
C)elevated LDH 5
D)LDH,less than LDH 2

Answer 1

elevated CPK

Question 2

All of these tests require the client to be NPO prior to the test.Which one requires that the client have no exposure to barium for at least 4 days before the test?

A)barium swallow
B)computed tomography
C)gallbladder series
D)renal angiography

Answer 2

computed tomography

Question 3

A female client has a hematocrit of 45%.The nurse should recognize this finding as:

A)within normal limits for a female
B)needing immediate follow-up
C)borderline high
D)borderline low

Answer 3

within normal limits for a female

Question 4

When preparing a client for a diagnostic procedure,which health care professional is responsible for ensuring that the needed consent form has been signed?

A)nurse
B)physician's assistant
C)health care provider ordering the procedure
D)health care provider performing the procedure

Question 5

To accurately assess the client's response to a diagnostic procedure,which of these actions should the nurse take?

A)Determine the client's perception of how well the procedure was tolerated.
B)Await the results of the test performed.
C)Compare vital signs taken during and after the procedure,with baseline vital signs taken prior to the test.
D)Read the health care provider's progress note.

Question 6

A client is scheduled for a preoperative electrocardiogram (EKG)tomorrow.The nurse should advise the client:

A)No special preparation is required.
B)Extreme exercise should be avoided.
C)Consumption of glucose-rich food and fluids is encouraged.
D)Sexual intercourse should be avoided.

Question 7

Which of these findings would be considered normal in a urine specimen?

A)pH 7.4
B)glucose
C)protein
D)specific gravity 1.5

Question 8

A client receives radioactive iodine as part of a diagnostic procedure.After the test,what actions must the nurse take?

A)Ask the client about previous allergic reactions to iodine or shellfish.
B)Assess the client's skin for breakdown and allergic reaction to the iodine.
C)Collect and discard the client's urine in a special container approved for handling radioactive wastes.
D)Notify the client's family.

Question 9

Which of these tests can be used to accurately determine thyroid function in pregnant females?

A)TRH
B)T 3
C)T 4
D)free T 4

Question 10

Prior to scheduling X-rays for a client,the nurse must:

A)determine the number and type of previous X-rays
B)determine the client's previous exposure to lead
C)be sure the client is fasting
D)question the client about the possibility of pregnancy

Question 11

A client is scheduled to have an alpha-fetoprotein test drawn today.The nurse recognizes that the client MUST be:

A)between 16 and 18 weeks' gestation
B)taking oral contraceptives
C)at least 15 years of age
D)taking a hormone replacement drug

Question 12

Which health care team member can perform venipuncture?

A)laboratory phlebotomists only
B)licensed practical nurses or registered nurses only
C)physicians or their approved representatives
D)various members of the health care team

Question 13

A client's differential count shows the following values: segs 71%,bands 8%.What do these findings indicate?

A)chronic disease
B)normalcy
C)possible allergic reaction
D)possible bacterial infection

Question 14

A client has just completed a respiratory aerosol treatment.When should a prescribed arterial blood gas specimen be obtained?

A)immediately
B)30 minutes after completion of administration
C)prior to the administration of such a treatment
D)15 minutes after completion of administration

Question 15

Which of these tests locates a tumor marker present in ovarian cancer?

A)alpha-fetoprotein
B)CA 125
C)HCG
D)PSA

Question 16

When obtaining blood samples from a central line,what action must the nurse take?

A)Discard the first sample in the amount indicated by agency protocol.
B)Suggest that another venue be used.
C)Withdraw a greater amount of blood than required,with a peripheral stick.
D)Withdraw only the amount of blood required for the ordered tests,and document amount in nurse's notes according to agency policy.

Question 17

A client is admitted with a diagnosis of fever of unknown origin.The health care provider's orders include requests for blood and urine cultures,initiation of intravenous (IV)fluids,and IV antibiotics.Which actions must the nurse take FIRST?

A)Start antibiotics to ensure fastest treatment of underlying pathogen.
B)Obtain cultures before initiating antibiotic therapy.
C)The order of procedures does not matter.
D)Establish an intravenous line.

Question 18

During the collection of a 24-hour urine,how should the specimen be treated?

A)kept at room temperature for 24 hours
B)kept on ice or refrigerated during collection
C)saved until at least 1,000 mL have been obtained
D)strained at the conclusion of 24 hours

Question 19

What does urine specific gravity measure?

A)acidity or alkalinity of urine
B)actual weight of urine in g/mL
C)number of solutes in a solution
D)presence or absence of bacteria in the urine

Question 20

A pregnant client is scheduled for a fetal ultrasound.The nurse must instruct the client to:

A)request a lead apron be placed over the abdomen during the test
B)delay urination and ensure a full bladder at the time of the test
C)remove all jewelry prior to the test
D)eat a normal breakfast

Question 21

When preparing a client for a Papanicolaou smear,the nurse should place the client in which position?

A)dorsal lithotomy
B)high Fowler's
C)knee-chest
D)prone

Question 22

After a paracentesis has been performed,which of these nursing actions is indicated?

A)applying sterile dressing to the puncture site
B)monitoring fetal heart tones and assessing for signs of labor
C)withholding food and fluids for at least 12 hours
D)keeping the client flat in bed for 24 hours

Question 23

A client has just returned to the nursing unit following a cardiac catheterization.The catheter was placed in the right femoral artery.The test was uneventful.Which instruction should the nurse include on the nursing care plan?

A)Check the urine for hematuria for 24 hours.
B)Inspect the hands for signs of circulatory problems.
C)Keep the client on bed rest for 6 hours.
D)Restrict the client's fluid intake.

Question 24

When assisting the health care provider to perform a lumbar puncture,the nurse would place the client in which position?

A)dorsal recumbent
B)lithotomy
C)prone
D)side-lying,knee-chest

Question 25

A client is scheduled for a thoracentesis.Which of the following would be important information to include in your teaching plan for this client?

A)Explain that the procedure will not hurt,and she won't remember any of it.
B)Caution her that she must not move or cough for 6 hours after the procedure.
C)Explain that she will be positioned sitting on the edge of the bed with her arms and head on the bedside table.
D)Explain to her that the needle will be left in place for 24 hours.

Question 26

What are the MOST common sites for bone marrow aspiration?

A)long bones of the lower extremities
B)pelvis and floating ribs
C)sternum and iliac crest
D)ulna and radius

Question 27

A client is having chest pain.To distinguish between an acute myocardial infarction (MI)and angina that may be due to other causes,which of the following diagnostic tests would the nurse expect to be ordered for this client? (Select all that apply. )

A)troponin I
B)CPK
C)CA 125
D)CD4
E)cholesterol
F)troponin T cardiac-specific

Question 28

All of these procedures involve aspiration of body fluid for therapeutic or diagnostic purposes.Which would be indicated for relief of pressure caused by ascites?

A)amniocentesis
B)lumbar puncture
C)paracentesis
D)thoracentesis